PU (plural PUs)

  1. (computing) Initialism of processing unit
  2. (Internet slang) Initialism of pickup as in, pickup artist
  3. (linguistics) Initialism of prosodic unit IU for intonation unit is preferred
  4. (slang) expression used when encountering a displeasing smell; exaggerated pronunciation of pew
  5. (organic compound) Initialism of polyurethane

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